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At an amusement park there is a rollercoaster that travels straight up 80 meters and once...

At an amusement park there is a rollercoaster that travels straight up 80 meters and once it reaches the top drops the riders straight back down. On the way up it has a maximum speed of 6.0 m/s. It’s acceleration and deceleration have a magnitude of 1.0 m/s2. (round your answers to three significant figures)


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Answer
✔  How far does the ride travel upward before reaching full speed from rest? 18.0
✘  How long does it take to get to the top of the ride from the bottom? (Tol: ± 0.1)   
Answer Incorrect by more than 10%.
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